Dr. Gerardo Marcial Maradiaga, MD
- Medicare services, 2024
- 189
- Medicare patients, 2024
- 143
- Part D claims, 2024
- 18,056
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 270 Smith Church Rd, Roanoke Rapids, NC 27870
- Practice phone
- Call (252) 537-0134
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
RHG at Halifax Medical Specialists
FQHC - Main Site · Roanoke Rapids, North Carolina
Find Dr. Maradiaga's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gerardo Marcial Maradiaga is an internist in Roanoke Rapids, North Carolina
Dr. Maradiaga practices at RHG at Halifax Medical Specialists in Roanoke Rapids, North Carolina.
Dr. Maradiaga's NPI, 1841361367, was assigned on November 13, 2006. Dr. Maradiaga holds North Carolina license 9300528.
- NPI
- 1841361367NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789611880
- NPI enumeration date
- November 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (252) 537-0134
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerardo Marcial Maradiaga practices at RHG at Halifax Medical Specialists in Roanoke Rapids, North Carolina
Dr. Maradiaga's primary practice is RHG at Halifax Medical Specialists, at 270 Smith Church Rd, Roanoke Rapids, NC 27870 in Halifax County. The practice phone is (252) 537-0134.
- RHG at Halifax Medical Specialists270 Smith Church Rd, Roanoke Rapids, NC 27870 · Halifax CountyPhone(252) 537-0134
Source: Dmand AI Affiliation Data
Dr. Gerardo Marcial Maradiaga is affiliated with 8 sites of care and 1 medical group
Dr. Maradiaga's primary practice is RHG at Halifax Medical Specialists in Roanoke Rapids, North Carolina. Dr. Maradiaga is also affiliated with ECU Health North Hospital. The medical group on file is RHG at Halifax Medical Specialists. Dmand AI also links Dr. Maradiaga to 1 more hospital, 3 home health agencies and 2 hospices, each named with a free account. Dr. Maradiaga's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gerardo Marcial Maradiaga's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maradiaga practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| RHG at Halifax Medical Specialists | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerardo Marcial Maradiaga is one of 3,705 internists in North Carolina
Internal medicine is Dr. Maradiaga's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Maradiaga is licensed in North Carolina.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
Internists near Dr. Maradiaga
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gerardo Marcial Maradiaga billed Medicare for 189 services in 2024
CMS data shows 189 Medicare services from Dr. Maradiaga across 6 procedure codes in 2024, for 143 Medicare patients. Medicare paid $3,579 for them. Every service was in an office.
Dr. Maradiaga's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1232024: 14720%
- Tests and treatments
- 2023: 452024: 427%
Dr. Maradiaga compared with the North Carolina median for internists, 2024
- Dr. Maradiaga
- North Carolina median
- Medicare services
- 189vs 52164% below
- Medicare patients
- 143vs 18523% below
- Part D claims
- 17,331vs 27263.7 times
Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.
Dr. Maradiaga's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maradiaga and other internists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerardo Marcial Maradiaga treated 143 Medicare patients in 2024, average age 76
CMS counts 143 Medicare patients who saw Dr. Maradiaga in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Maradiaga's median patient age at 73, with 56% women.
Dr. Maradiaga's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Maradiaga's Medicare patients by sex, 2024
- Women8459%
- Men5941%
Chronic conditions among Dr. Maradiaga's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Diabetes57%
- Ischemic heart disease44%
- Chronic kidney disease41%
- Anxiety33%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Maradiaga's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gerardo Marcial Maradiaga wrote 18,056 Medicare Part D claims in 2024
In 2024, Dr. Maradiaga wrote 18,056 Medicare Part D claims for 665 patients. 88% of them were for generic drugs. CMS names the drug for 17,331 of them, across 214 drugs with 11 or more claims each, at $1,232,144 in total drug cost. In 2023, CMS named 16,309 claims across 214 drugs.
Dr. Maradiaga's Part D claims by kind of drug, 2024
- Generic15,954 claims88%
- Brand-name2,001 claims11%
- Other101 claims1%
Dr. Maradiaga's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Maradiaga's Part D claims, 2024
- Opioids2%354 of 18,056 claims
- Antibiotics2%374 of 18,056 claims
- Antipsychotics, patients 65 and over0%64 of 18,056 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 16,3092024: 17,3316%
Drugs named by CMS: 214 in 2024, 214 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gerardo Marcial Maradiaga takes part in Medicare
Dr. Maradiaga accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gerardo Marcial Maradiaga has 1 publication on record
Dmand AI links 1 paper to Dr. Maradiaga in 2021. Dr. Maradiaga's most frequent co-authors are Christine E. Bishop and Timothy Roy Peters, MD.
Dr. Maradiaga's most frequent co-authors
Recent publications by Dr. Maradiaga
See who Dr. Maradiaga researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Maradiaga works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gerardo Marcial Maradiaga received $9,167 in industry payments from 2016 to 2025
CMS Open Payments shows 606 general payments to Dr. Maradiaga from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novo Nordisk Inc paid the most, $2,100.
General payments to Dr. Maradiaga by program year, 2016 to 2025
General payments to Dr. Maradiaga by kind, 2016 to 2025
- Food and beverage$8,92297%
- Gifts$2262%
- Education$190%
Companies that paid Dr. Maradiaga the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gerardo Marcial Maradiaga's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gerardo Marcial Maradiaga
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gerardo Marcial Maradiaga's NPI number?
Dr. Gerardo Marcial Maradiaga's NPI number is 1841361367. It was assigned on November 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerardo Marcial Maradiaga?
Dr. Gerardo Marcial Maradiaga is an internist in Roanoke Rapids, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gerardo Marcial Maradiaga practice?
Dr. Maradiaga practices at 270 Smith Church Rd, Roanoke Rapids, NC 27870. Dr. Maradiaga's primary practice is RHG at Halifax Medical Specialists in Roanoke Rapids, North Carolina. Dmand AI also links Dr. Maradiaga to 1 hospital, 3 home health agencies and 2 hospices.
What is Dr. Gerardo Marcial Maradiaga's office phone number?
The practice phone on file for Dr. Maradiaga is (252) 537-0134.
What is Dr. Gerardo Marcial Maradiaga's medical license number?
Dr. Maradiaga holds North Carolina license 9300528.
Which hospitals is Dr. Gerardo Marcial Maradiaga affiliated with?
Dr. Maradiaga is affiliated with ECU Health North Hospital. Dmand AI links Dr. Maradiaga to 1 more hospital.
What medical group is Dr. Gerardo Marcial Maradiaga part of?
Dr. Maradiaga is linked to RHG at Halifax Medical Specialists.
Does Dr. Gerardo Marcial Maradiaga accept Medicare?
Yes. CMS data shows Dr. Maradiaga billed Medicare for 189 services in 2024, and Dr. Maradiaga accepts Medicare assignment.
How many Medicare patients does Dr. Gerardo Marcial Maradiaga see?
CMS counts 143 Medicare patients who saw Dr. Maradiaga in 2024, with an average age of 76.
What services does Dr. Gerardo Marcial Maradiaga bill to Medicare?
In 2024, Dr. Maradiaga's most billed Medicare services were lab and pathology test (82962), heart test or procedure (93005) and lab and pathology test (82274).
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What drugs does Dr. Gerardo Marcial Maradiaga prescribe most?
In 2024 Medicare Part D data, Dr. Maradiaga's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Gerardo Marcial Maradiaga received payments from drug or device companies?
CMS Open Payments shows $9,167 in general payments to Dr. Maradiaga from 36 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Gerardo Marcial Maradiaga been practicing?
Dr. Maradiaga graduated from medical school in 1982, 44 years ago.
Does Dr. Gerardo Marcial Maradiaga do research?
Dmand AI links 1 publication to Dr. Maradiaga.
Who does Dr. Gerardo Marcial Maradiaga publish with?
Dr. Maradiaga's most frequent co-authors are Christine E. Bishop (1 shared paper) and Timothy Roy Peters, MD (1 shared paper).
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